This is a manga (with some explanatory text) that teaches children about the rules and mindset necessary for friendships and social life through interactions with Ringo-chan (the main character) and her forest friends. Supervised by Dr. Daiji Akehashi, who has published many educational books. When children are young, it can be difficult to explain things with words, but reading this book helped them reflect on being scolded, and it was also very helpful for parents when using examples to explain things. The children read it repeatedly, so it shows some signs of use, but there are no major tears or stains. Basically, I would like to sell it as a set, but I will consider selling individual volumes from the end of the series, so please comment if you are interested (*^^*) Thank you for looking.